Conn. Agencies Regs. § 17a-581-43
A party may apply to the PSRB for the reopening of a previously closed proceeding or reconsideration of a decision for good cause shown within 10 days of the issuance of a memorandum of decision. Upon such application the Board at its discretion may reopen any matter previously closed and vacate any order made thereon.
(Effective May 21, 1992)